<!doctype html>
<html lang="zh_CN">
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width,initial-scale=1">
    <title>练习</title>
    <link href="./assset/bootstrap@5.3.0/css/bootstrap.min.css" rel="stylesheet">
    <script src="./assset/holderjs@2.9.7/holder.js"></script>
  </head>
  <body>
    <!-- 导航条 -->
    <nav class="navbar fixed-top  navbar-expand-lg bg-body-tertiary">
        <div class="container-fluid">
          <a class="navbar-brand" href="#">首页</a>
          <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
            <span class="navbar-toggler-icon"></span>
          </button>
          <div class="collapse navbar-collapse" id="navbarSupportedContent">
            <ul class="navbar-nav me-auto mb-2 mb-lg-0">
                <li class="nav-item dropdown">
                    <a class="nav-link dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
                      华北地区
                    </a>
                    <ul class="dropdown-menu">
                      <li><a class="dropdown-item" href="#">北京</a></li>
                      <li><a class="dropdown-item" href="#">天津</a></li>
                      <li><hr class="dropdown-divider"></li>
                      <li><a class="dropdown-item" href="#">河北</a></li>
                    </ul>
                  </li>
                  <!-- li -->
                  <li class="nav-item dropdown">
                    <a class="nav-link dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
                      东北地区
                    </a>
                    <ul class="dropdown-menu">
                      <li><a class="dropdown-item" href="#">北京</a></li>
                      <li><a class="dropdown-item" href="#">天津</a></li>
                      <li><hr class="dropdown-divider"></li>
                      <li><a class="dropdown-item" href="#">河北</a></li>
                    </ul>
                  </li>
                  <!-- li -->
                  <li class="nav-item dropdown">
                    <a class="nav-link dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown" aria-expanded="false">
                      中南地区
                    </a>
                    <ul class="dropdown-menu">
                      <li><a class="dropdown-item" href="#">湖南</a></li>
                      <li><a class="dropdown-item" href="#">湖北</a></li>
                      <li><hr class="dropdown-divider"></li>
                      <li><a class="dropdown-item" href="#">广东</a></li>
                    </ul>
                  </li> 

                  <li class="nav-item">
                    <form class="d-flex" style="margin-right: 20px;" role="search">
                        <input class="form-control me-2" type="search" placeholder="Search" aria-label="Search">
                        <button class="btn btn-outline-success" type="submit">Search</button>
                      </form> 
                  </li>
               
               
              
            </ul>
            
            <button class="btn btn-outline-success" type="button">登录</button>
            <button class="btn btn-outline-success" type="button" data-bs-toggle="modal" data-bs-target="#registBtnModal">注册</button>
          </div>
        </div>
      </nav>
    <!-- \导航条 -->
    <!-- banner -->
    <div id="carouselExampleAutoplaying" class="carousel slide" data-bs-ride="carousel">
        <div class="carousel-inner">
          <div class="carousel-item active">
            <img src="holder.js/800x400?random=yes" class="d-block w-100" alt="...">
          </div>
          <div class="carousel-item">
            <img src="holder.js/800x400?random=yes" class="d-block w-100" alt="...">
          </div>
          <div class="carousel-item">
            <img src="holder.js/800x400?random=yes" class="d-block w-100" alt="...">
          </div>
        </div>
        <button class="carousel-control-prev" type="button" data-bs-target="#carouselExampleAutoplaying" data-bs-slide="prev">
          <span class="carousel-control-prev-icon" aria-hidden="true"></span>
          <span class="visually-hidden">Previous</span>
        </button>
        <button class="carousel-control-next" type="button" data-bs-target="#carouselExampleAutoplaying" data-bs-slide="next">
          <span class="carousel-control-next-icon" aria-hidden="true"></span>
          <span class="visually-hidden">Next</span>
        </button>
      </div>
    <!-- \banner -->

    <!-- 展示内容 -->
    <div class="container mt-1">
        <div class="row">
            <!-- item -->
            <div class="col-4">
                <div class="card" ">
                    <img src="holder.js/100px200?random=yes" class="card-img-top" alt="...">
                    <div class="card-body">
                      <h5 class="card-title">Card title</h5>
                      <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                      <a href="#" class="btn btn-primary">Go somewhere</a>
                    </div>
                  </div>
            </div> 
             <!-- item -->
             <div class="col-4">
                <div class="card" ">
                    <img src="holder.js/100px200?random=yes" class="card-img-top" alt="...">
                    <div class="card-body">
                      <h5 class="card-title">Card title</h5>
                      <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                      <a href="#" class="btn btn-primary">Go somewhere</a>
                    </div>
                  </div>
            </div> 
             <!-- item -->
             <div class="col-4">
                <div class="card" ">
                    <img src="holder.js/100px200?random=yes" class="card-img-top" alt="...">
                    <div class="card-body">
                      <h5 class="card-title">Card title</h5>
                      <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                      <a href="#" class="btn btn-primary">Go somewhere</a>
                    </div>
                  </div>
            </div> 
             <!-- item -->
             <div class="col-4">
                <div class="card" ">
                    <img src="holder.js/100px200?random=yes" class="card-img-top" alt="...">
                    <div class="card-body">
                      <h5 class="card-title">Card title</h5>
                      <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                      <a href="#" class="btn btn-primary">Go somewhere</a>
                    </div>
                  </div>
            </div>
             <!-- item -->
             <div class="col-4">
                <div class="card" ">
                    <img src="holder.js/100px200?random=yes" class="card-img-top" alt="...">
                    <div class="card-body">
                      <h5 class="card-title">Card title</h5>
                      <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                      <a href="#" class="btn btn-primary">Go somewhere</a>
                    </div>
                  </div>
            </div> 
             <!-- item -->
             <div class="col-4">
                <div class="card" ">
                    <img src="holder.js/100px200?random=yes" class="card-img-top" alt="...">
                    <div class="card-body">
                      <h5 class="card-title">Card title</h5>
                      <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
                      <a href="#" class="btn btn-primary">Go somewhere</a>
                    </div>
                  </div>
            </div>  
        </div>
    </div>

    <!-- \展示内容 -->

    <!-- 页脚 -->
    <footer>
        <nav class="navbar bg-body-tertiary">
            <div class="container-fluid justify-content-center">
              <a class="navbar-brand" style="font-size: 0.7rem;" href="#">版本授权@xx.com</a>
            </div>
        </nav>
    </footer>
    <!-- \页脚 -->
    
    <!-- main 
    <div class="container mt-2">
        <div class="row justify-content-center">
            <div class="col" style="border:1px solid #ccc;">
                <ul class="nav nav-tabs" id="myTab" role="tablist">
                    <li class="nav-item" role="presentation">
                      <button class="nav-link active" id="home-tab" data-bs-toggle="tab" data-bs-target="#home-tab-pane" type="button" role="tab" aria-controls="home-tab-pane" aria-selected="true">Home</button>
                    </li>
                    <li class="nav-item" role="presentation">
                      <button class="nav-link" id="profile-tab" data-bs-toggle="tab" data-bs-target="#profile-tab-pane" type="button" role="tab" aria-controls="profile-tab-pane" aria-selected="false">Profile</button>
                    </li>
                    <li class="nav-item" role="presentation">
                      <button class="nav-link" id="contact-tab" data-bs-toggle="tab" data-bs-target="#contact-tab-pane" type="button" role="tab" aria-controls="contact-tab-pane" aria-selected="false">Contact</button>
                    </li>
                    <li class="nav-item" role="presentation">
                      <button class="nav-link" id="disabled-tab" data-bs-toggle="tab" data-bs-target="#disabled-tab-pane" type="button" role="tab" aria-controls="disabled-tab-pane" aria-selected="false" disabled>Disabled</button>
                    </li>
                  </ul>
                  <div class="tab-content" id="myTabContent">
                    <div class="tab-pane fade show active" id="home-tab-pane" role="tabpanel" aria-labelledby="home-tab" tabindex="0">
                        home 
                    </div>
                    <div class="tab-pane fade" id="profile-tab-pane" role="tabpanel" aria-labelledby="profile-tab" tabindex="0">
                        profile
                    </div>
                    <div class="tab-pane fade" id="contact-tab-pane" role="tabpanel" aria-labelledby="contact-tab" tabindex="0">
                        contcat
                    </div>
                    <div class="tab-pane fade" id="disabled-tab-pane" role="tabpanel" aria-labelledby="disabled-tab" tabindex="0">
                        disabled
                    </div>
                  </div>
            </div>
        </div>
    </div>

    -->

    <!-- \main -->
    <!-- 注册模特框 -->
    <!-- Modal -->
<div class="modal fade" id="registBtnModal" tabindex="-1" aria-labelledby="exampleModalLabel" aria-hidden="true">
    <div class="modal-dialog">
      <div class="modal-content">
        <div class="modal-header">
          <h1 class="modal-title fs-5" id="exampleModalLabel">注册用户</h1>
          <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
        </div>
        <div class="modal-body">
           <!-- 表单 -->
           <div class="card">
                   
            <div class="card-body">
                <form>
                    <div class="mb-3">
                      <label for="exampleInputEmail1" class="form-label">Email address</label>
                      <input type="email" class="form-control" id="exampleInputEmail1" aria-describedby="emailHelp">
                      <div id="emailHelp" class="form-text">We'll never share your email with anyone else.</div>
                    </div>
                    <div class="mb-3">
                      <label for="exampleInputPassword1" class="form-label">Password</label>
                      <input type="password" class="form-control" id="exampleInputPassword1">
                    </div>
                    <div class="mb-3 form-check">
                      <input type="checkbox" class="form-check-input" id="exampleCheck1">
                      <label class="form-check-label" for="exampleCheck1">Check me out</label>
                    </div>
                    <button type="submit" class="btn btn-primary d-block w-100">Submit</button>
                  </form>
                </div>
            </div>

        </div>
        <div class="modal-footer">
          <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button> 
        </div>
      </div>
    </div>
  </div>
    <!-- \注册模特框 -->
   
    <script src="./assset/bootstrap@5.3.0/js/bootstrap.bundle.min.js"></script>
  </body>
</html>